TDA7267A STMicroelectronics, TDA7267A Datasheet - Page 3

• Manufacturer Part Number: TDA7267A
• Description: IC AMP AUDIO 3W MONO AB 16DIP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7267A

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 3W x 1 @ 8 Ohm
• Voltage - Supply: 5 V ~ 18 V
• Features: Depop, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3962-5

THERMAL DATA
ELECTRICAL CHARACTERISTICS (T
specified.)
Figure 1. Application Circuit
APPLICATION HINTS:
For 14.5V supply and 8
maximum power dissipation is about 1.8W.
Assumming that max ambient temperature is
70 C, the required thermal resistance of the de-
vice mounted on the PCB with a dissipating area
Symbol
Symbol
R
R
THD
SVR
R
V
V
P
V
A
I
E
th j-case
I
th j-amb
sb
STAND-BY
S
sb
IN
O
O
S
V
I
Supply Voltage Range
Quiescent Current
Stand-By Current
Quiescent Output Voltage
Voltage Gain
Input Impedance
Output Power
Distortion
Supply Voltage Rejection
Input Noise Voltage
Stand-By Enable Voltage
IN
Thermal Resistance Junction to ambient
Thermal Resistance Junction to case
Parameter
C1 0.1 F
speaker application, its
SVR
47 F
C3
IN
4
3
amb
Pin 3 shorted to GND
THD = 10%
P
V
F
Rg = 10K ; BW = 20Hz to 20KHz
= 25 C; V
6
Parameter
ripple
O
ripple
= 1W
V
S-GND
S
= 1KHz
= 150mVrms;
Test Condition
1
S
must be equal to: (150 - 70)/1.8 = 44.4 C/W.
Junction to pin thermal resistance of the package
is about 15 C/W. That means external heat sink
of about 30 C/W is required.
Cu ground plane of PCB can be used as heat dis-
sipating means.
9 to 16
= 14.5V; R
P-GND
2
L
OUT
= 8 ; f = 1KHz; unless otherwise
100 F
C5 470 F
C4
D98AU828
Min.
2.7
8
31
50
5
Typ.
100
7.5
0.1
23
50
3
5
Value
V
70
15
S
Max.
=14.5V
0.3
0.3
18
35
33
10
TDA7267A
1
Unit
Unit
C/W
C/W
mA
mA
K
dB
dB
W
%
V
V
V
V
3/7